DNA Audio SWCMB01C SWC CAN bus Controller Suits Mercedes Benz - Professional Integration Solution

DNA Audio SWCMB01C SWC CAN bus Controller Suits Mercedes Benz - Professional Integration Solution

Retain your Mercedes Benz factory steering wheel controls and CAN bus functionality with the DNA Audio SWCMB01C controller, specifically designed for Mercedes Benz vehicles with Audio 20 head units. This advanced CAN bus interface enables seamless integration between your factory systems and aftermarket head units while providing essential vehicle signals including speed pulse, telephone mute, reverse gear, handbrake, and automatic antenna outputs.

Built with quadlock CAN bus connectivity and comprehensive signal outputs, the SWCMB01C controller provides complete integration for Mercedes Benz vehicles equipped with Audio 20 systems. The interface maintains steering wheel control functionality while delivering critical CAN bus signals required for proper aftermarket head unit operation in Mercedes Benz vehicles.

DNA Audio SWCMB01C Key Features & Benefits:

• Mercedes Benz Specific: Designed exclusively for Mercedes Benz vehicles with Audio 20 head units
• CAN Bus Integration: Quadlock CAN bus connection maintains factory vehicle communication
• Complete Signal Output: Provides speed pulse, telephone mute, reverse, handbrake, and antenna signals
• Steering Wheel Control Retention: Maintains factory steering wheel control functionality
• Audio 20 Compatible: Specifically designed for Mercedes Audio 20 head unit systems
• Professional Installation: Type C patch lead compatibility for workshop-grade installations
• SLK R171 Support: Compatible with later R171 models (2008+) with circular steering control cluster

Professional Applications:

• Mercedes Benz Audio Upgrades: Essential for aftermarket head unit installations in Audio 20 vehicles
• Workshop Installs: Professional-grade CAN bus solution for complete system integration
• Steering Wheel Control Retention: Maintains all factory button functionality
• CAN Bus Signal Integration: Provides essential vehicle signals to aftermarket head units
• SLK R171 Compatibility: Specific support for later model SLK vehicles with updated controls

Technical Specifications:

• Model: DNA Audio SWCMB01C
• SKU: SWCMB01C
• Type: Mercedes Benz CAN Bus Steering Wheel Control Interface
• Vehicle: Mercedes Benz with Audio 20 head units
• Connection: Quadlock CAN bus interface
• Patch Lead: Universal self pin (SWLUNI-C) - Type C compatibility required
• Installation Note: Connect patch lead to interface BEFORE connecting to vehicle harness
• Packaging: DNA sliding blister and card
• Brand: DNA Audio installation accessories series

CAN Bus Signal Outputs:

• Pink Wire: Speed pulse output
• Yellow/Black Wire: Telephone mute signal
• Purple Wire: Reverse gear signal
• Green Wire: Handbrake signal
• Light Blue Wire: Automatic antenna signal

Compatibility Requirements:

• Compatible: Mercedes Benz with Audio 20 head units
• Not Compatible: Factory amplified systems
• SLK R171: Later models (2008+) with circular steering control cluster
• Function Note: Forward/back buttons only work when Audio is selected on MFD
• Patch Lead: Must use Type C patch leads (model numbers ending in C)

Compatible With / Goes Well With:

• Aftermarket head units with Type C patch lead compatibility
• Mercedes Benz vehicles with Audio 20 systems (non-amplified)
• Professional installation tools and CAN bus testing equipment
• Brand-specific Type C patch leads for simplified installation
• Mercedes Benz antenna adaptors and wiring accessories

Installation Applications:

• Complete CAN Bus Integration: Maintains Mercedes factory communication systems
• Steering Wheel Control Retention: Preserves all factory button functionality
• Professional Installations: Workshop-grade solution for Mercedes aftermarket upgrades
• Signal Distribution: Provides essential vehicle signals to aftermarket head units
• Audio 20 Replacement: Enables modern head unit installation in Audio 20 vehicles

For professional auto sparks and Mercedes Benz owners with Audio 20 systems seeking complete CAN bus integration and steering wheel control retention with aftermarket head units, the DNA Audio SWCMB01C delivers the essential interface solution. With DNA's Mercedes-specific engineering and comprehensive signal output, it's the smart choice for achieving professional results while maintaining all factory functionality.

Frequently Asked Questions

Will this work with factory amplified Mercedes systems?

No, this interface is not compatible with factory amplified Mercedes Benz systems - only non-amplified Audio 20 units.

Do I need special patch leads?

Yes, you must use Type C patch leads (model numbers ending in C) with this interface for proper compatibility.

Why don't forward/back buttons always work?

Forward and track back buttons only function when Audio is selected on the Mercedes MFD (Multifunction display).

What's the installation sequence?

Connect the patch lead to the interface FIRST, then connect the interface to the vehicle harness - this sequence is critical.

Will this work with my SLK R171?

This interface works with later R171 models (2008+) that have steering controls in a circular cluster configuration.